A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 6105-00-980-1591
NSN 5930-01-466-8268
NSN 6610-01-093-4710
NSN 5945-01-056-6061
NSN 5960-00-957-0951
NSN 5960-01-413-3877
NSN 5905-01-049-3140
NSN 6620-00-475-9985
NSN 6150-01-472-2375
NSN 5855-01-187-2293
NSN 5910-01-381-1706
NSN 5975-01-224-7209